Christenhusz, M. J. M. et Byng, J. W., « The number of known plants species in the world and its annual increase », Phytotaxa, vol. 261, no 3, , p. 201–217 (DOI10.11646/phytotaxa.261.3.1, lire en ligne)
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Christenhusz, M. J. M. et Byng, J. W., « The number of known plants species in the world and its annual increase », Phytotaxa, vol. 261, no 3, , p. 201–217 (DOI10.11646/phytotaxa.261.3.1, lire en ligne)